1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
drilling mud additive-namely, a material for preparation of ultrahigh water loss slurries to regain circulation
3
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring and abrasive preparations; soaps; perfumery, essential oils, cosmetics, hair lotions; dentifrices.
drilling mud additive-namely, a material for preparation of ultrahigh water loss slurries to regain circulation
4
Industrial oils and greases; lubricants; dust absorbing, wetting and binding compositions; fuels (including motor spirit) and illuminants; candles and wicks for lighting.
drilling mud additive-namely, a material for preparation of ultrahigh water loss slurries to regain circulation
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
drilling mud additive-namely, a material for preparation of ultrahigh water loss slurries to regain circulation
18
Leather and imitations of leather, and goods made of these materials and not included in other classes; animal skins, hides; trunks and travelling bags; umbrellas, parasols and walking sticks; whips, harness and saddlery.
drilling mud additive-namely, a material for preparation of ultrahigh water loss slurries to regain circulation
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
drilling mud additive-namely, a material for preparation of ultrahigh water loss slurries to regain circulation
22
Ropes, string, nets, tents, awnings, tarpaulins, sails, sacks and bags (not included in other classes); padding and stuffing materials (except of rubber or plastics); raw fibrous textile materials
drilling mud additive-namely, a material for preparation of ultrahigh water loss slurries to regain circulation
31
Agricultural, horticultural and forestry products and grains not included in other classes; live animals; fresh fruits and vegetables; seeds, natural plants and flowers; foodstuffs for animals, malt
drilling mud additive-namely, a material for preparation of ultrahigh water loss slurries to regain circulation